amygdaloid

/əˌmɪgdəˈlɔɪd/
IPA guide

Other forms: amygdaloids

Definitions of amygdaloid
  1. adjective
    shaped like an almond
    synonyms: almond-shaped, amygdaliform, amygdaloidal
    rounded
    curving and somewhat round in shape rather than jagged
  2. noun
    volcanic rock in which rounded cavities formed by expanding gas have subsequently become filled with mineral deposits
    see moresee less
    type of:
    volcanic rock
    extrusive igneous rock solidified near or on the surface of the Earth
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